e*thirteen Helix Race e*spec Chainring 36T Bosch Gen4 Direct Mount 13mm Offset Shimano/SRAM 11/12s Compatible BLK MFPN=RF740-GKX1-P-D2 1 cartridge bearing and 1

1 cartridge bearing and 1 DU bushing

0 mm 100 pcs in box

Protective anti-slip feet

78mm from minimum insertion to top of quill Stem Angle (deg) -18 Length 100 Bar Clamp Diameter (mm) 26

The Crossbar Substitute works as a top tube for easier rack mounting for use with “hang-on” type car racks and unconventional frames

e*thirteen Helix Race e*spec Chainring 36T Bosch Gen4 Direct Mount 13mm Offset Shimano/SRAM 11/12s Compatible BLK MFPN=RF740-GKX1-P-D2 1 cartridge bearing and 1Helix Core e*spec Direct Mount Chainrings feature a narrow wide tooth profile for reliable chain retention and an extra long wear life. Helix Core e*spec rings are cold formed from steel and then heat treated to provide excellent durability and toughness all at a price that's easy on your wallet.